Hey there, let's break down why your app keeps crashing and how to fix it!

First, let's look at the error you're getting—this tells us exactly what's wrong:

Caused by: android.view.InflateException: Binary XML file line #51: Error inflating class Button. Caused by: android.content.res.Resources$NotFoundException: Resource is not a Drawable (color or path): TypedValue{t=0x1/d=0x7f070063 a=-1 r=0x7f070063}

The key part here is "Resource is not a Drawable"—you're trying to use a resource that's not a valid Drawable (like a shape, bitmap, or state selector) as the background for one of your Buttons.

Let's Check Your XML Code #

Looking at your layout, two Buttons are using drawable resources for their backgrounds:

1. The Button with id backedbackground uses android:background="@drawable/first"
2. The Button with id button2 uses android:background="@drawable/signupfrontbackground"

Step-by-Step Fixes #

• Verify your drawable resources exist and are valid
  Head to your res/drawable folder and check if first.xml (or its corresponding file) and signupfrontbackground.xml exist. Make sure these files are valid Drawable resources—like a shape drawable, state selector, or bitmap. If either of these is actually a color or style (stored in res/values), you're using the wrong resource type reference.

  For example, if first is a color resource, change the background reference to @color/first instead of @drawable/first.

• Check for name conflicts
  Notice that your first Button also uses style="@style/first"—if you named a style and a drawable with the same name first, this can confuse the resource system. Double-check that you're referencing the correct resource type for each attribute.

• Pinpoint the problematic resource ID
  The error includes a resource ID: r=0x7f070063. You can look this up in your auto-generated R.java file (under app/build/generated/not_namespaced_r_class_sources/debug/r/your/package/name/R.java) to see exactly which resource this points to. This will confirm if it's a color, style, or something else being incorrectly used as a Drawable.

• Clean and rebuild your project
  Sometimes Android Studio's resource cache gets corrupted. Go to Build > Clean Project, then Build > Rebuild Project to refresh all resources.

Bonus: Fix a Minor EditText Issue #

While not causing the crash, your third EditText has a typo in inputType: android:inputType="textPa" should be android:inputType="textPassword" to properly handle password input.

Give these steps a try—this should resolve the InflateException and get your app running again!

内容的提问来源于stack exchange，提问作者jhonfkanadi2 jhonfkanadi2